AUGUST 4, 2026
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Case File

CVE-2021-42227

MEDIUM · CVSS 6.1 EPSS 0.91% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-14 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-42227
Severity
MEDIUM
CVSS
6.1
EPSS
0.91%

Original NVD Description

Cross SIte Scripting (XSS) vulnerability exists in KindEditor 4.1.x via a Google search inurl:/examples/uploadbutton.html and then the .html file on the website that uses this editor (the file suffix is allowed).